Fix JSON service: must use coded interface

scripts/JSON_service.py

@@ -1,6 +1,6 @@
 import sys
 sys.path.append("wrappers")
-from modelverse import *
+from modelverse_coded import *
 import os
 import json
 
@@ -61,14 +61,12 @@ def json_service(port):
             json_str = service_get(port)
             json_data = json.loads(json_str)
             print_out_json(json_data)
-            print("Decoded %s" % json_str)
 
         elif mode == "encode":
             service_set(port, "OK")
             json_data = fetch_data()
             json_str = json.dumps(json_data)
             service_set(port, json_str)
-            print("Encoded %s" % json_str)
             
         else:
             raise Exception("No such mode: " + mode)